在位移反分析中优化方法的选择十分重要。
It's important to select an optimum method in displacement back analysis.
通过实际工程算例，给出了反分析的计算过程。
The calculating process of this method was gave by analysis the project instances.
位移反分析方法在岩土工程中的应用越来越多。
Displacement back analysis has been more and more applied in geotechnical engineering.
反分析采用直接分析法并用复合形法求解目标函数方程。
Direct method is used in the inverse analysis and the equation of object function is solved with composite algorithm.
同时导出了灵敏度矩阵的显式表达，以提高反分析的效率。
The explicit expression of the sensitivity matrix is derived to enhance the efficiency of the inverse approach.
然后利用反分析得出结果，对围岩的应力与变形进行了分析。
After that, the displacements and stress field are analyzed with the back analysis results.
对位移反分析方法作了介绍，并对各种弹塑性模型进行了总结。
Introducing the method of optimizing back analysis using displacement and summarizing the elastoplastic model.
解决思路可以推广应用到其他位移反分析问题的测线布置优化。
The idea of the optimization arrangement of measuring-line can be applied to another back analysis of measured displacements.
工程上经常遇到反分析问题，有限元分析法是反分析的有力工具。
In the project frequently meets the counter-analysis question, the finite element analytic method is counter-analysis powerful tool.
因此，研究高速公路高填方路基沉降反分析与预测具有重要的意义。
It is of great significance to study high embankment settlement back analysis and prediction.
依据变形等效原理，建立了层面影响带的粘弹性参数的反分析模型。
Based on equivalent deformation assumption the back analysis model of determining the viscoelastic parameters of the effect zones is established.
研究了考虑围岩松动圈的位移反分析在卵砾石层隧道工程中的应用。
This paper presents the application of displacement back analysis for the tunnel engineering in gravel-cobble stratum taking the loosing zone into consideration.
各种传统位移反分析方法的反分析模型非常复杂，求解亦非常困难。
The model of traditional approaches for back analysis of displacements is very complex and it is rather difficult to solve them.
因工程的复杂性，位移反分析在隧道工程中的应用会遇到诸多问题。
Because of the complexity of geotechnical engineering, many questions have been come into existence in the application of the displacement inverse analysis for tunnel engineering.
与此同时，文中还对反分析中待反参数解的唯一性问题进行了讨论。
At the same time, the uniqueness of the back-analyzed parameters is discussed.
基于差分法和人工神经网络建立了新的硐室围岩力学参数反分析方法。
The new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks in this paper.
研究工作中正分析、反分析和原位观测资料分析均采用同一的确定性模型。
The same deterministic model is used to conduct direct analysis, inverse analysis and the analysis of in situ observation data.
实例表明，随机反分析方法能较好地应用于混凝土坝材料参数的反演和识别中。
This case shows the method can be applied to the back analysis and identification of the material parameters for concrete dam.
结果表明，反分析方法是获得岩体斜坡滑动面抗剪强度的最经济、合理的途径。
The result showed that the dynamic analysis method is effective in practice to determining the resistance to shearing of slipping plane of rock mass slope.
以边界元计算为基础，提出正交各向异性平面问题材料参数识别的反分析方法。
Based on the boundary element method, an inverse method is developed to identify the material parameters of orthotropic plane problem.
本文研究的是工程振动问题中的动态载荷的反分析问题，即动态载荷识别问题。
The back problems of dynamic loads in the vibration of engineering are studied in this dissertation of Doctor's Degree, which are the problems of dynamic loads identification.
结合现场实践，基于差分法和人工神经网络建立了新的围岩力学参数反分析方法。
Aiming at practice in site, the new back analysis method of mechanics parameters of surrounding rock was established by calculus of differences and artificial neural networks.
本文采用有限元分析软件ANSYS的优化技术对基坑土体参数进行了优化反分析。
The Optimization back analysis of foundation pit soil body's parameter is studied in software ANSYS.
研究的目的是利用预测手段推算出未来沉降，验证有限单元法反分析方法的适用性。
The purpose is to estimate settlement using the measurement data and to verify the application of back analysis by finite element analysis.
利用边界条件、区间位移连续性条件和弯矩剪力平衡条件建立了反分析的特征方程序。
The characteristic equations are established by using the boundary conditions, continuous conditions of the displacements and equilibrium conditions of the shearing force and moment in each region.
反分析结果与理论值的误差很小，满足精度要求，表明该反分析方法的可行性和精确性。
The error between the backward analysis results and the theoretical ones is much little and meets the demand of precision, which indicates that this backward analysis method is feasible and accurate.
基于均匀设计、差分法和模糊人工神经网络建立了新的隧道围岩物理力学参数反分析方法。
The new back analysis method of physics and mechanics parameters of surrounding rock was established by uniform design, calculus of differences and fuzzy artificial neural networks in this paper.
文中还讨论了弹性常数取用值误差对位移反分析计算成果的影响和地下厂房稳定性研究等问题。
This paper also discusses the influence on the results of back analysis due to the error of fetched value of elasticity constant and the stability study of underground powerhouse.
BMP程序对隧道围岩具有正分析和反分析功能，并且通过作者的努力，其成为了一个比较完善的系统。
Through the author's effort, program BMP has the function of fore analysis and back analysis to the tunnel rock wall, it changes into a relatively perfect system.
BMP程序对隧道围岩具有正分析和反分析功能，并且通过作者的努力，其成为了一个比较完善的系统。
Through the author's effort, program BMP has the function of fore analysis and back analysis to the tunnel rock wall, it changes into a relatively perfect system.
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